高等继续教育 / 统考英语B
正确率：统考%
题型描述: 单选题
Ever since the Smiths moved to the suburbs a year ago, they _ _ _ _ _ better health.
A. had enjoyed
B. could have enjoyed
C. have been enjoying
D. are enjoying
Ever since the Smiths moved to the suburbs a year ago, they _ _ _ _ _ better health.
A. had enjoyed
B. could have enjoyed
C. have been enjoying
D. are enjoying
参考答案：
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